CLEAN-UP DAN UPGRADE FASILITAS SUMBER UMBULAN LOR GUNA MENINGKATKAN POTENSI WISATA LOKAL DESA NGENEP. kopemas [Internet]. 2023 Jan. 11 [cited 2026 Jul. 15];3(1). Available from: https://new-conference.unisma.ac.id/index.php/KOPEMAS/article/view/1353